On 2004-04-07, The Fish wrote:
"The train on platform (tannoy goes crackly) is the 11:42 ONE sevice
to Liverpool Street" (passengers who are only half listening make
their way to platform one, and miss the train.)

So change the announcements to
"The train on platform x is the 11:40 service to Liverpool street operated
by One".

--
Simon Hewison